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<FONT color="green">001</FONT>    package com.gwt.ss;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.IOException;<a name="line.3"></a>
<FONT color="green">004</FONT>    <a name="line.4"></a>
<FONT color="green">005</FONT>    import javax.servlet.ServletContext;<a name="line.5"></a>
<FONT color="green">006</FONT>    import javax.servlet.ServletException;<a name="line.6"></a>
<FONT color="green">007</FONT>    import javax.servlet.http.HttpServletRequest;<a name="line.7"></a>
<FONT color="green">008</FONT>    import javax.servlet.http.HttpServletResponse;<a name="line.8"></a>
<FONT color="green">009</FONT>    <a name="line.9"></a>
<FONT color="green">010</FONT>    import org.springframework.beans.factory.InitializingBean;<a name="line.10"></a>
<FONT color="green">011</FONT>    import org.springframework.security.core.Authentication;<a name="line.11"></a>
<FONT color="green">012</FONT>    import org.springframework.security.web.authentication.logout.LogoutSuccessHandler;<a name="line.12"></a>
<FONT color="green">013</FONT>    import org.springframework.security.web.authentication.logout.SimpleUrlLogoutSuccessHandler;<a name="line.13"></a>
<FONT color="green">014</FONT>    import org.springframework.util.Assert;<a name="line.14"></a>
<FONT color="green">015</FONT>    import org.springframework.web.context.ServletContextAware;<a name="line.15"></a>
<FONT color="green">016</FONT>    <a name="line.16"></a>
<FONT color="green">017</FONT>    import com.google.gwt.user.client.rpc.impl.AbstractSerializationStream;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    /**<a name="line.19"></a>
<FONT color="green">020</FONT>     * Assign to &amp;lt;logout success-handler-ref=&amp;quot;hander-reference&amp;quot;/&amp;gt; fot handle logout action.&lt;br/&gt;<a name="line.20"></a>
<FONT color="green">021</FONT>     * When logout from GWT RPC, just void message return. If logout from normal URL will redirect page to<a name="line.21"></a>
<FONT color="green">022</FONT>     * {@link #setLogoutSuccessUrl(java.lang.String) logoutSuccessUrl}.&lt;br/&gt;<a name="line.22"></a>
<FONT color="green">023</FONT>     * 建立本類別實例並設定到&amp;lt;logout success-handler-ref=&amp;quot;實例參照&amp;quot;/&amp;gt; 以處理登錄作業，&lt;br/&gt;<a name="line.23"></a>
<FONT color="green">024</FONT>     * 當使用GWT RPC進行登出時，本顯別會回應GWT RPC程式。&lt;br/&gt;<a name="line.24"></a>
<FONT color="green">025</FONT>     * 若使用正常址址登出，則頁面會回轉到{@link #setLogoutSuccessUrl(java.lang.String) logoutSuccessUrl}<a name="line.25"></a>
<FONT color="green">026</FONT>     */<a name="line.26"></a>
<FONT color="green">027</FONT>    public class GwtLogoutSuccessHandler implements LogoutSuccessHandler, InitializingBean, ServletContextAware {<a name="line.27"></a>
<FONT color="green">028</FONT>    <a name="line.28"></a>
<FONT color="green">029</FONT>        private SimpleUrlLogoutSuccessHandler defaultHandler = new SimpleUrlLogoutSuccessHandler();<a name="line.29"></a>
<FONT color="green">030</FONT>    <a name="line.30"></a>
<FONT color="green">031</FONT>        private String logoutSuccessUrl = "/";<a name="line.31"></a>
<FONT color="green">032</FONT>    <a name="line.32"></a>
<FONT color="green">033</FONT>        private ServletContext servletContext;<a name="line.33"></a>
<FONT color="green">034</FONT>    <a name="line.34"></a>
<FONT color="green">035</FONT>        @Override<a name="line.35"></a>
<FONT color="green">036</FONT>        public void afterPropertiesSet() {<a name="line.36"></a>
<FONT color="green">037</FONT>            Assert.notNull(logoutSuccessUrl, "logoutSuccessUrl must be specified");<a name="line.37"></a>
<FONT color="green">038</FONT>            defaultHandler.setDefaultTargetUrl(logoutSuccessUrl);<a name="line.38"></a>
<FONT color="green">039</FONT>        }<a name="line.39"></a>
<FONT color="green">040</FONT>    <a name="line.40"></a>
<FONT color="green">041</FONT>        public String getLogoutSuccessUrl() {<a name="line.41"></a>
<FONT color="green">042</FONT>            return logoutSuccessUrl;<a name="line.42"></a>
<FONT color="green">043</FONT>        }<a name="line.43"></a>
<FONT color="green">044</FONT>    <a name="line.44"></a>
<FONT color="green">045</FONT>        @Override<a name="line.45"></a>
<FONT color="green">046</FONT>        public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication)<a name="line.46"></a>
<FONT color="green">047</FONT>                throws IOException, ServletException {<a name="line.47"></a>
<FONT color="green">048</FONT>            if (GwtResponseUtil.isGwt(request)) {<a name="line.48"></a>
<FONT color="green">049</FONT>                String responsePayload = String.format("//OK[[],%d,%s]", AbstractSerializationStream.DEFAULT_FLAGS,<a name="line.49"></a>
<FONT color="green">050</FONT>                    AbstractSerializationStream.SERIALIZATION_STREAM_VERSION);<a name="line.50"></a>
<FONT color="green">051</FONT>                GwtResponseUtil.writeResponse(servletContext, request, response, responsePayload);<a name="line.51"></a>
<FONT color="green">052</FONT>            } else {<a name="line.52"></a>
<FONT color="green">053</FONT>                defaultHandler.onLogoutSuccess(request, response, authentication);<a name="line.53"></a>
<FONT color="green">054</FONT>            }<a name="line.54"></a>
<FONT color="green">055</FONT>    <a name="line.55"></a>
<FONT color="green">056</FONT>        }<a name="line.56"></a>
<FONT color="green">057</FONT>    <a name="line.57"></a>
<FONT color="green">058</FONT>        public void setLogoutSuccessUrl(String logoutSuccessUrl) {<a name="line.58"></a>
<FONT color="green">059</FONT>            this.logoutSuccessUrl = logoutSuccessUrl;<a name="line.59"></a>
<FONT color="green">060</FONT>            defaultHandler.setDefaultTargetUrl(logoutSuccessUrl);<a name="line.60"></a>
<FONT color="green">061</FONT>        }<a name="line.61"></a>
<FONT color="green">062</FONT>    <a name="line.62"></a>
<FONT color="green">063</FONT>        @Override<a name="line.63"></a>
<FONT color="green">064</FONT>        public void setServletContext(ServletContext servletContext) {<a name="line.64"></a>
<FONT color="green">065</FONT>            this.servletContext = servletContext;<a name="line.65"></a>
<FONT color="green">066</FONT>        }<a name="line.66"></a>
<FONT color="green">067</FONT>    }<a name="line.67"></a>




























































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